The Credit Card Identification Code, or Card Code, is a 3 or 4 digit Security code that is printed on the back of credit cards in reverse italics in the card signature panel (or on the front for American Express cards).
Mount Vernon, Illinois. Mount Vernon known as The King City is a city in and the county seat of Jefferson County, Illinois, United States. The population was 15,277 at the 2010 census. Mount Vernon is the principal city of the Mount Vernon Micropolitan Statistical Area, which includes all of Jefferson and Hamilton counties.
Mount Vernon, Missouri. Mount Vernon is a city in Lawrence County, Missouri, United States. The population was 4,577 at the 2011 Estimates. It is the county seat of Lawrence County.